1497669

Information

• Patent Grant
• 1497669

• References
• Source

• Patent Number

  1,497,669

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1924
  100 years ago

• CPC

  • B28B3/2663 - Exchangeable wear parts
  • B28B3/26 - Extrusion dies
  • B28B3/2618 - using lubricating means

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus